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1011 World Cup Betting (20)（20 分） With the 2010 FIFA World Cup running, ...
1010 Radix (25)（25 分） Given a pair of positive integers, for example, 6 ...
1009 Product of Polynomials (25)（25 分） This time, you are supposed to fi...
1008 Elevator (20)（20 分） The highest building in our city has only one e...
1007 Maximum Subsequence Sum (25)（25 分） Given a sequence of K integers {...
1006 Sign In and Sign Out (25)（25 分） At the beginning of every day, the ...
1005 Spell It Right (20)（20 分） Given a non-negative integer N, your task...
1004 Counting Leaves (30)（30 分） A family hierarchy is usually presented ...
1003 Emergency (25)（25 分） As an emergency rescue team leader of a city, ...